# Author:sp
# CreaTime: $(DATE)
# FileName: $(NAME)
# Description: simple introdution of the code
t=(9.,['hello','world',100],56)
for item in t:
    print(item)
t1=tuple(('hello',98,90.2))
print(type(t1))
for item in t1:
    print(item)
'''元组的元素不可修改，但是元组中的变量可以修改'''
dimensions = (200,50)
print(dimensions)
dimensions = (100,25)
print(dimensions)